No way! There are definitely legitimate use-cases for all of the features demoed in these ads, but Apple's marketing took a darker path.
Email to boss: could've been someone who had a genuine struggle with language using it to finally get their boss to notice the effort they put into their work.
Remembering a name: could've used it to get the name and left it at them being impressed rather than making it a lie.
Summarizing email: could've used it when in a hurry at work whilst someone sent an extremely long email.
Video memories: could've used it for two people to share a nostalgic moment together without making it a lie.